Neocrangon Zarenkov, 1965

Han, Qingxi & Li, Xinzheng, 2009, Neocrangon orientalis, a new caridean shrimp species (Crustacea, Decapoda, Crangonidae) from the East China Sea, Zootaxa 2050, pp. 65-68 : 68

Key to the species of Neocrangon Zarenkov, 1965

1. Eyes very large, diameter more than 0.3 times of carapace length ............................... N. abyssorum ( Rathbun, 1902) (northern Pacific from southern California to Pacific coast of Hokkaido, Japan; 887–4000 meters)

- Eyes moderate in size, diameter less than 0.3 times of carapace length....................................................................... 2

2. Body surface with pubescence...................................................................................................................................... 3

- Body surface naked....................................................................................................................................................... 4

3. Distance between anterior dorsomedian spine of carapace and tip of rostrum more than twice of distance between anterior dorsomedian spine and posterior dorsomedian spine ........................................ N. communis ( Rathbun, 1899) (Berling Sea to San Diego, California; 16–565 meters)

- Anterior dorsomedian spine situated at about middle from posterior dorsomedian spine to tip of rostrum .................. ........................................................................................... N. joloensis ( De Man, 1929) (off Jolo Island, Philippines)

4. Rostrum with pronounced dorsal sulcus, apex blunt; pleuron of fourth pleomere with posterolateral spine, pleuron of fifth with posterolateral angle pointed ................................................................................. N. resima ( Rathbun, 1902) (From off San Francisco, California, to San Domingo Point, Lower California; at depths of 27–487 meters)

- Rostrum with faint dorsal carina, apex acute; pleuron of fourth pleomere without posterolateral spine, fifth pleuron with posterolateral spine ............................................................................................................... N. orientalis sp. nov.